FreeBSD/Linux Kernel Cross Reference
sys/sys/posix4.h

     #ifndef _P1003_1B_P1003_1B_H_
     #define _P1003_1B_P1003_1B_H_
     /*-
      * Copyright (c) 1996, 1997, 1998
      *      HD Associates, Inc.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by HD Associates, Inc
     * 4. Neither the name of the author nor the names of any co-contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD: src/sys/posix4/posix4.h,v 1.6 1999/12/27 10:22:09 bde Exp $
     * $DragonFly: src/sys/sys/posix4.h,v 1.8 2007/06/26 19:31:10 dillon Exp $
     */
    
    #include "opt_posix.h"
    
    #include <sys/param.h>
    #include <sys/malloc.h>
    #include <sys/sched.h>
    
    MALLOC_DECLARE(M_P31B);
    
    #define p31b_malloc(SIZE) kmalloc((SIZE), M_P31B, M_WAITOK)
    #define p31b_free(P) kfree((P), M_P31B)
    
    struct proc;
    struct lwp;
    
    void p31b_setcfg (int, int);
    
    #ifdef _KPOSIX_PRIORITY_SCHEDULING
    
    /* 
     * KSCHED_OP_RW is a vector of read/write flags for each entry indexed
     * by the enum ksched_op.
     *
     * 1 means you need write access, 0 means read is sufficient.
     */
    
    enum ksched_op {
    
    #define KSCHED_OP_RW { 1, 0, 1, 0, 0, 0, 0, 0 }
    
            SCHED_SETPARAM,
            SCHED_GETPARAM,
            SCHED_SETSCHEDULER,
            SCHED_GETSCHEDULER,
            SCHED_YIELD,
            SCHED_GET_PRIORITY_MAX,
            SCHED_GET_PRIORITY_MIN,
            SCHED_RR_GET_INTERVAL,
            SCHED_OP_MAX
    };
    
    struct ksched;
    
    int ksched_attach(struct ksched **);
    int ksched_detach(struct ksched *);
    
    int ksched_setparam(register_t *, struct ksched *,
            struct lwp *, const struct sched_param *);
    int ksched_getparam(register_t *, struct ksched *,
            struct lwp *, struct sched_param *);
    
    int ksched_setscheduler(register_t *, struct ksched *,
            struct lwp *, int, const struct sched_param *);
    int ksched_getscheduler(register_t *, struct ksched *, struct lwp *);
    
    int ksched_yield(register_t *, struct ksched *);
    
    int ksched_get_priority_max(register_t *, struct ksched *, int);
    int ksched_get_priority_min(register_t *, struct ksched *, int);
    
    int ksched_rr_get_interval(register_t *, struct ksched *,
            struct lwp *, struct timespec *);
    
   #endif /* _KPOSIX_PRIORITY_SCHEDULING */
   
   #endif /* _P1003_1B_P1003_1B_H_ */

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